EP 4180398 A4 20240417 - PEROVSKITE-TYPE COMPOSITE OXIDE POWDER
Title (en)
PEROVSKITE-TYPE COMPOSITE OXIDE POWDER
Title (de)
MISCHOXIDPULVER VOM PEROWSKIT-TYP
Title (fr)
POUDRE D'OXYDE COMPOSITE DE TYPE PÉROVSKITE
Publication
Application
Priority
JP 2020027172 W 20200711
Abstract (en)
[origin: EP4180398A1] A perovskite-type composite oxide powder according to the present invention is a perovskite-type composite oxide powder represented by a general formula ABO<sub>3-δ</sub> (where δ represents an amount of deficiency of oxygen and 0 ≤ δ < 1), an element contained in an A site is La, elements contained in a B site are Co and Ni and a crystallite size determined by a Williamson-Hall method is equal to or greater than 20 nm and equal to or less than 100 nm. In this way, when the perovskite-type composite oxide powder is used as an air electrode material for a fuel cell, an air electrode in which the resistance thereof is low and the conductivity thereof is high can be obtained.
IPC 8 full level
C01G 53/00 (2006.01); H01M 4/86 (2006.01); H01M 8/12 (2016.01); H01M 8/1246 (2016.01)
CPC (source: EP KR US)
C01G 53/006 (2013.01 - KR); C01G 53/70 (2013.01 - EP); H01M 4/86 (2013.01 - KR); H01M 4/9033 (2013.01 - EP US); H01M 4/9091 (2013.01 - EP US); H01M 8/12 (2013.01 - KR); H01M 8/1246 (2013.01 - KR US); C01P 2002/34 (2013.01 - EP KR); C01P 2002/60 (2013.01 - EP); C01P 2004/51 (2013.01 - EP KR); C01P 2004/62 (2013.01 - EP); C01P 2006/12 (2013.01 - EP); H01M 2008/1293 (2013.01 - EP US); H01M 2300/0071 (2013.01 - EP US); Y02E 60/50 (2013.01 - EP)
Citation (search report)
- [X] CHÁVEZ-GUERRERO L. ET AL: "Synthesis and characterization of Co-doped Lanthanum Nickelate perovskites for solid oxide fuel cell cathode material", REVISTA MEXICANA DE FISICA, vol. 63, no. 1, 1 January 2017 (2017-01-01), MX, pages 6 - 11, XP093138020, ISSN: 0035-001X
- [X] HJALMARSSON P ET AL: "Structural properties and electrochemical performance of strontium- and nickel-substituted lanthanum cobaltite", SOLID STATE IONICS, NORTH HOLLAND PUB. COMPANY. AMSTERDAM; NL, NL, vol. 179, no. 17-18, 1 July 2008 (2008-07-01), pages 636 - 646, XP022735059, ISSN: 0167-2738, [retrieved on 20080609], DOI: 10.1016/J.SSI.2008.04.026
- [X] DEKA DHRUBA J ET AL: "Production of syngas with controllable H2/CO ratio by high temperature co-electrolysis of CO2and H2O over Ni and Co-doped lanthanum strontium ferrite perovskite cathodes", APPLIED CATALYSIS B. ENVIRONMENTAL, vol. 248, 5 July 2019 (2019-07-05), pages 487 - 503, XP085624272, ISSN: 0926-3373, DOI: 10.1016/J.APCATB.2019.02.045
- See also references of WO 2022013903A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 4180398 A1 20230517; EP 4180398 A4 20240417; CN 115768727 A 20230307; JP 7474328 B2 20240424; JP WO2022013903 A1 20220120; KR 20220154809 A 20221122; US 2023216065 A1 20230706; WO 2022013903 A1 20220120
DOCDB simple family (application)
EP 20945597 A 20200711; CN 202080102503 A 20200711; JP 2020027172 W 20200711; JP 2022535983 A 20200711; KR 20227036274 A 20200711; US 202018007535 A 20200711